LY Corporation cyber-attack leaks 440,000 personal data records
440,000 records of personal information were leaked at LY Corporation, the operator of LINE. A cyber-attack targeting a South Korean company led to the leak of LINE user information and was described as an attack exploiting supply chain vulnerabilities. Banking information was not leaked.
Key facts
- Affected organisation
- LY Corporation
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Leak of 440,000 personal information records
- Cause / method
- Supply chain attack targeting a South Korean company
- Location
- Japan
If your data was exposed
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
Timeline
- The operator of LINE announced the leak of 440,000 personal information records and said banking information was not leaked.
- It came to light that an attack on a South Korean company and supply chain vulnerabilities were linked to the leak of LINE user information.
4 related reports
Other incidents at LY Corporation
LY Corporation leaks 7.1 million user identifiers from three games
7.1mImpact: 7.1 million user identifiers
7.1 million user identifiers were leaked from three LY Corporation mobile games, including Pokopoko. The data was mistakenly sent to advertising platforms. LY Corporation apologised for the leak.
Related reports: 4 · last report →Intrusion via shared authentication system leaks LINE Yahoo personal data
510kImpact: About 510,000 cases of personal information
Unauthorised access to LINE Yahoo's internal systems led to a leak of personal information. The attack began with a malware infection on a PC belonging to an employee of a NAVER Cloud subcontractor and proceeded through a shared authentication system. The scale of the leak was initially reported at about 400,000 cases and later at 510,000, and the LINE Yahoo president apologised.
Related reports: 12 · last report →
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.